Safety vacuum syringe for blood sampling conformed to ergonomics
US5938622A · kind A · utility
5Cited by
4References
4Claims
0Family size
Inventor
Key dates
| Filing date | Feb 24, 1998 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Feb 24, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M5/322
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A safety vacuum syringe for blood sampling conformed to ergonomics comprises: a needle head having a cannula needle with two needle tips at opposite ends held by a needle holder at a middle; a barrel having eccentric reduced front portion and a bottom opening end; an eccentric reduced lining tube inserted in the front portion of the barrel; a vacuum container having a plug sealed with front opening thereof; a tubular connector which connects the reduced lining tube to the vacuum container during using; and characteristically a reversible front cover which can be pressed into the cannula needle thoroughly in the barrel after using.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.